必修五 Unit 1泛读学案

Learning objectives：（学习目标）

1. 通过快速阅读文章培养学生信息概括的能力；通过仔细阅读发展学生信息精准定位和匹配能力。

2. 学生通过小组合作探讨，结合教师的讲解，从而扎实地掌握文章中的词汇与句子。

Lead-in: Brainstorming1. When we talk about great scientists, who will come into your mind?2. Match the scientists with their achievementsAlbert Einstein                    1. evolution(进化论)Charles Darwin                   2. discovery of radiumMadame Curie                    3. electric bulbThomas Edison                   4. theory of relativityNicolaus Copernicus               5. a brief history of timeStephen Hawking                 6. the earth moves around the sunYuan Longping                   7. father of hybrid rice3.What qualities do you think they have in common?4.What qualities do you think they have in common?5. What do you know about cholera?

Step1: fast reading

Skim the passage and finish the task

1.What’s the main idea of the passage?A. John Snow was a well-known doctor in London.B. The cause of Cholera was polluted water.C. The source of all drinking water should be examined.D. How John Snow collected, analyzed data and found the cause of the disease and solved it .

2. Why was cholera called “King Cholera” in the text?A. Because cholera caused some deaths.B. Because it got its name from Queen Victoria.C. Because cholera was the most deadly disease of its day.D. Because it was defeated with the help of the king.

3.Number these events in the order that they happened.    John Snow began to test two theories.    An outbreak of cholera hit London in 1854.    John Snow marked the deaths on a map.    He announced that the water carried the disease.    John Snow investigated two streets where the outbreak was very severe.    King Cholera was defeated.    He found that most of the deaths were near a water pump.    He had the handle removed from the water pump.

Step2: careful reading

Read the passage carefully and use the seven stages in setting out a new scientific idea to describe each paragraph.

Step 3 Translation

1. Neither its cause nor its cure was understood._____________________________________________________________________

2. So many thousands of terrified people died every time there was an outbreak.

_____________________________________________________________________3. A woman, who had moved away from Broad Street, liked the water from the pump so much that she had it delivered to her house every day._____________________________________________________________________

Step 4 Summary

John Snow was a famous doctor in London, who was so expert that he           _______ (attend) Queen Victoria as her personal physician. But he was famous for                _______ (defeat) “King Cholera”．

Cholera was a_______ (dead) disease and neither its cause_______its cure was understood. John Snow wanted to face the challenge and solve the problem. He suspected_______people absorbed this disease into their bodies with their meals. So when another severe outbreak hit London, he began his enquiry.     He found that many victims_______ (link) to the outbreak were near the water pump, so he had the handle removed. Soon afterwards the disease slowed down. He arrived at the_______ (conclude) that the polluted water was_______blame．    The water_______(company) were instructed not to expose people to           _______ (pollute) water any more. Finally “King Cholera”was defeated. Step 5 Discussion

In your opinion, why did John Snow can make a such success to defeat cholera?